Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
duong vanh » duong van, duong manh, duong anh
duong xanh » duong manh, duong van, duong sach
hoc chieu » hoc thieu, ho chieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tuan ban » tuan bang, toan ban, luan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (doi chieu)) xanh - hanh tranh cua nhung ((duong vanh) OR (duong xanh)) tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (doi chieu)) xanh - hanh tranh cua nhung ((duong vanh) OR (duong xanh)) tuan ban~".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (doi chieu)) xanh - hanh tranh cua nhung ((duong vanh) OR (duong xanh)) tuan ban*.